Coastal Waters Forecast
Issued by NWS Boston, MA

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FZUS51 KBOX 201437 CCA
CWFBOX

Coastal Waters Forecast...CORRECTED
National Weather Service Boston/Norton MA
1037 AM EDT Sat Oct 20 2018

Coastal waters from the Merrimack River MA to Watch Hill RI out to
25 NM

ANZ200-210330-
1037 AM EDT Sat Oct 20 2018

.Synopsis for Massachusetts and Rhode Island coastal waters...
Breezy southwest winds will blow across the waters this afternoon.
A strong cold front will move across the waters tonight followed
by gusty northwest winds into Sun. A ridge of high pres will build
south of the waters Sun night into Mon. Low pres will then track
across northern New England Tue, dragging a cold front across the
waters Tue night. Large high pres will build E from the Great
Lakes Wed and Thu.

For information on possible hazardous weather beyond the 24-36
hour forecast period, please visit www.weather.gov/boston and
follow the Current Hazards link above the map on the left.

$$

ANZ250-210330-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas around 6 ft. A slight chance of showers.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt after
midnight. Seas 4 to 5 ft. A chance of showers after midnight.
.SUN...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to
7 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 20 to 25 kt, diminishing to 15 to 20 kt
after midnight. Gusts up to 30 kt. Seas 6 to 7 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft.
.MON NIGHT...W winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Seas around 3 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Seas around
3 ft. A chance of showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 3 ft. A chance of showers in the evening.
.WED...NW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 2 to 3 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
4 to 5 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ251-210330-
Massachusetts Bay and Ipswich Bay-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...SW winds 15 to 20 kt, diminishing to 10 to
15 kt. Gusts up to 25 kt. Seas around 4 ft.
.TONIGHT...NW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers after midnight.
.SUN...NW winds 20 to 25 kt with gusts up to 30 kt. Seas 4 to
5 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas around 5 ft, subsiding to
3 ft after midnight. Patchy frost after midnight.
.MON...W winds 10 to 15 kt with gusts up to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Patchy frost in the
morning.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft.
.TUE...SW winds 5 to 10 kt. Gusts up to 20 kt in the afternoon.
Seas around 2 ft. A chance of showers.
.TUE NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt after
midnight. Gusts up to 20 kt. Seas around 2 ft.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 1 foot
or less, then around 2 ft in the afternoon.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ231-210330-
Cape Cod Bay-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 3 to 4 ft. A slight chance of showers.
.TONIGHT...W winds 5 to 10 kt, becoming NW 10 to 15 kt after
midnight. Seas 2 to 3 ft. A chance of showers after midnight.
.SUN...NW winds 20 to 25 kt with gusts up to 30 kt. Seas around
5 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 6 ft, subsiding to 4 ft after midnight. Patchy frost after
midnight.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy frost in the morning.
.MON NIGHT...SW winds 5 to 10 kt. Seas around 2 ft in the
evening, then 1 foot or less.
.TUE...SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Seas around 2 ft. A chance of
showers.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 3 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ254-210330-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.THIS AFTERNOON...SW winds 15 to 20 kt, diminishing to 10 to
15 kt. Gusts up to 25 kt. Seas around 6 ft. A chance of showers.
.TONIGHT...NW winds 5 to 10 kt. Seas 5 to 6 ft. A chance of
showers after midnight.
.SUN...NW winds 20 to 25 kt with gusts up to 35 kt. Seas 7 to
8 ft. Showers likely in the morning.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 8 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 5 to
6 ft.
.MON NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of
showers after midnight.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 5 to
6 ft. A chance of showers in the afternoon.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 5 ft.
.WED...NW winds 10 to 15 kt with gusts up to 25 kt. Seas around
4 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
around 5 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ255-210330-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1037 AM EDT Sat Oct 20 2018

...GALE WARNING IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...SW winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 35 kt. Seas 8 to 9 ft. A chance of showers.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas around 8 ft, subsiding to 6 ft
after midnight. A chance of showers after midnight.
.SUN...NW winds 20 to 25 kt with gusts up to 35 kt. Seas around
7 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 7 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft. A chance of showers after midnight.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 6 to 7 ft.
.TUE NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Gusts up to 25 kt. Seas 5 to 6 ft.
.WED...NW winds around 15 kt with gusts up to 25 kt. Seas around
4 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
around 4 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ256-210330-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1037 AM EDT Sat Oct 20 2018

...GALE WARNING IN EFFECT UNTIL 1 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...SW winds 20 to 25 kt, becoming W 15 to 20 kt.
Gusts up to 35 kt. Seas around 8 ft. A chance of showers this
morning.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 6 to 7 ft. A chance of showers after midnight.
.SUN...NW winds 20 to 25 kt with gusts up to 35 kt. Seas around
6 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 6 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
4 to 5 ft.
.TUE...SW winds 10 to 15 kt, becoming W 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas 6 to 7 ft.
.TUE NIGHT...W winds 15 to 20 kt with gusts up to 25 kt. Seas
5 to 6 ft.
.WED...NW winds around 15 kt with gusts up to 25 kt. Seas around
4 ft.
.WED NIGHT...NW winds 15 to 20 kt with gusts up to 25 kt. Seas
around 4 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ232-210330-
Nantucket Sound-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas around 4 ft. A chance of showers this morning.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas around 3 ft. A chance of
showers after midnight.
.SUN...NW winds 20 to 25 kt with gusts up to 35 kt. Seas around
4 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 4 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Patchy frost in the morning.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
SW 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers
after midnight.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas around 4 ft. A chance of
showers in the afternoon.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.WED NIGHT...NW winds 10 to 15 kt, increasing to 15 to 20 kt
after midnight. Gusts up to 25 kt. Seas around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ233-210330-
Vineyard Sound-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...SW winds 20 to 25 kt, diminishing to 15 to
20 kt. Gusts up to 30 kt. Seas around 4 ft. A chance of showers
this morning.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. A chance of showers after midnight.
.SUN...NW winds 15 to 20 kt with gusts up to 35 kt. Seas around
4 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 25 kt. Seas around 3 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft. Patchy frost in the morning.
.MON NIGHT...W winds 10 to 15 kt, becoming SW 5 to 10 kt after
midnight. Gusts up to 20 kt. Seas 2 to 3 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around
4 ft.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
around 4 ft, subsiding to 2 ft after midnight.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.WED NIGHT...NW winds around 15 kt with gusts up to 25 kt. Seas
around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ234-210330-
Buzzards Bay-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 30 kt.
Seas around 5 ft. A chance of showers.
.TONIGHT...W winds 10 to 15 kt with gusts up to 20 kt, becoming
NW 5 to 10 kt after midnight. Seas 2 to 3 ft. A chance of showers
after midnight.
.SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
4 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Patchy frost after midnight.
.MON...NW winds 10 to 15 kt, becoming W 5 to 10 kt in the
afternoon. Gusts up to 20 kt. Seas around 2 ft in the morning,
then 1 foot or less. Patchy frost in the morning.
.MON NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Seas around 2 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. A chance of showers in the afternoon.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ235-210330-
Rhode Island Sound-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...SW winds 20 to 25 kt, becoming W 15 to 20 kt.
Gusts up to 30 kt. Seas around 7 ft. A chance of showers.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 5 to 6 ft. A chance of showers after midnight.
.SUN...NW winds 20 to 25 kt with gusts up to 35 kt. Seas around
5 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 15 to 20 kt with gusts up to 30 kt. Seas
around 5 ft, subsiding to 3 ft after midnight.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft.
.TUE...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 30 kt. Seas around 5 ft.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft.
.WED...NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft.
.WED NIGHT...NW winds around 15 kt with gusts up to 25 kt. Seas
2 to 3 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ237-210330-
Block Island Sound-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.THIS AFTERNOON...W winds 15 to 20 kt with gusts up to 30 kt.
Seas around 6 ft. A slight chance of showers.
.TONIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to
5 ft. A chance of showers after midnight.
.SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Seas around
5 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt
after midnight. Gusts up to 30 kt. Seas 3 to 4 ft.
.MON...W winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft.
.TUE...SW winds 10 to 15 kt with gusts up to 25 kt. Seas around
4 ft.
.TUE NIGHT...W winds 10 to 15 kt with gusts up to 25 kt. Seas
around 3 ft.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Seas around
2 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Seas
around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ230-210330-
Boston Harbor-
1037 AM EDT Sat Oct 20 2018

.THIS AFTERNOON...SW winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft.
.TONIGHT...W winds 5 to 10 kt, becoming NW 10 to 15 kt after
midnight. Waves 1 foot or less, then around 2 ft after midnight.
A chance of showers after midnight.
.SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
2 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 30 kt. Waves
around 2 ft. Patchy frost after midnight.
.MON...W winds 5 to 10 kt. Waves 1 foot or less. Patchy frost in
the morning.
.MON NIGHT...SW winds 5 to 10 kt. Waves 1 foot or less.
.TUE...SW winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers in the afternoon.
.TUE NIGHT...W winds 5 to 10 kt. Waves 1 foot or less.
.WED...NW winds around 10 kt. Gusts up to 20 kt in the afternoon.
Waves 1 foot or less.
.WED NIGHT...NW winds around 10 kt with gusts up to 20 kt. Waves
around 2 ft in the evening, then 1 foot or less.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

ANZ236-210330-
Narragansett Bay-
1037 AM EDT Sat Oct 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.THIS AFTERNOON...SW winds 15 to 20 kt with gusts up to 25 kt.
Waves around 4 ft. A slight chance of showers.
.TONIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt after midnight.
Waves 3 to 4 ft. A chance of showers after midnight.
.SUN...NW winds 15 to 20 kt with gusts up to 30 kt. Waves around
3 ft. A chance of showers in the morning.
.SUN NIGHT...NW winds 10 to 15 kt with gusts up to 25 kt. Waves
2 to 3 ft. Patchy frost after midnight.
.MON...W winds 5 to 10 kt. Waves 1 foot or less. Patchy frost in
the morning.
.MON NIGHT...SW winds 5 to 10 kt. Waves around 2 ft.
.TUE...SW winds 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Gusts up to 20 kt. Waves around 3 ft.
.TUE NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft.
.WED...NW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.WED NIGHT...NW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.

Seas are reported as significant wave height, which is the
average of the highest third of the waves. Individual wave
heights may be more than twice the significant wave height.

$$

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